:root {
  --bg: #f6f8fa;
  --card: #ffffff;
  --cream: #e7f0f4;
  --ink: #202124;
  --muted: #68737a;
  --line: #d6e0e5;
  --green: #1f5e7a;
  --green-dark: #17475c;
  --red: #c8644a;
  --blue: #1f5e7a;
  --shadow: 0 18px 42px rgba(26, 26, 26, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
}

.topbar {
  align-items: center;
  background: rgba(246, 248, 250, 0.94);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 14px 16px;
  position: sticky;
  top: 0;
  z-index: 5;
}

.topbar nav {
  align-items: center;
  display: flex;
  gap: 14px;
}

.brand {
  align-items: center;
  color: var(--green);
  display: inline-flex;
  gap: 10px;
}

.brand img {
  display: block;
  height: 24px;
  width: auto;
}

a,
button {
  border-radius: 8px;
  color: inherit;
  font: inherit;
  font-weight: 800;
}

a {
  text-decoration: none;
}

.topbar a,
.topbar button,
.topbar button {
  background: transparent;
  border: 0;
  padding: 6px 2px;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.topbar a:hover,
.topbar button:hover {
  color: var(--blue);
}

.toolbar button,
.panel button,
.map-list button {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 10px 12px;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.toolbar button:hover,
.panel button:hover,
.map-list button:hover,
.filters button:hover {
  border-color: var(--green);
  transform: translateY(-1px);
}

.profile-button {
  color: var(--blue);
  font-size: 1.25rem;
  line-height: 1;
}

main {
  display: grid;
  gap: 18px;
  margin: 0 auto;
  max-width: 520px;
  padding: 18px 14px 40px;
}

.hero,
.panel,
.coupon-card,
.map-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.hero,
.panel,
.map-panel {
  padding: 20px;
}

.hero {
  background: var(--card);
}

.centered-panel {
  text-align: center;
}

.primary-link {
  background: var(--green);
  color: #fff;
  display: inline-flex;
  margin-top: 18px;
  padding: 12px 16px;
}

.primary-link:hover {
  background: var(--green-dark);
}

.eyebrow,
.merchant,
.distance {
  color: var(--green);
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.05;
  margin-top: 8px;
}

h2 {
  font-size: 1.15rem;
}

p {
  color: var(--muted);
  line-height: 1.45;
  margin-top: 8px;
}

.toolbar {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, 1fr);
}

.filters {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
  padding: 14px;
}

.filters label {
  color: var(--muted);
  display: grid;
  font-weight: 900;
  gap: 6px;
}

button {
  cursor: pointer;
  min-height: 46px;
}

input,
select,
textarea {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  min-height: 46px;
  padding: 10px 12px;
  width: 100%;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

label {
  color: var(--muted);
  display: grid;
  font-weight: 900;
  gap: 6px;
}

.filters button {
  background: var(--card);
  border: 1px solid var(--line);
}

button.active,
.reveal {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

.reveal:hover,
button.active:hover {
  background: var(--green-dark);
}

.coupon-list {
  display: grid;
  gap: 14px;
}

.coupon-card {
  background: var(--card);
  display: grid;
  gap: 14px;
  padding: 16px;
}

.coupon-top,
.coupon-bottom {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.badge {
  background: var(--cream);
  border-radius: 999px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  padding: 7px 10px;
}

.coupon-card h2 {
  font-size: 1.35rem;
  line-height: 1.12;
}

.locked-deal {
  color: var(--blue);
  font-size: 1.45rem;
  font-weight: 950;
}

.code {
  background: var(--ink);
  border-radius: 8px;
  color: white;
  font-size: 1.7rem;
  font-weight: 950;
  padding: 18px;
  text-align: center;
  width: 100%;
}

.used {
  opacity: 0.62;
}

.coupon-card.disabled {
  opacity: 0.48;
}

.hidden {
  display: none;
}

.map-panel {
  display: grid;
  gap: 12px;
}

.map-panel.hidden {
  display: none;
}

#googleMap {
  border: 0;
  border-radius: 8px;
  height: 320px;
  width: 100%;
}

.map-list {
  display: grid;
  gap: 8px;
}

.map-list button {
  color: var(--blue);
  text-align: left;
}

.empty-state {
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 10px;
  color: var(--muted);
  padding: 18px;
}

.site-footer {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 0 auto;
  max-width: 980px;
  padding: 20px 14px 34px;
  text-align: center;
  width: 100%;
}

.site-footer a {
  color: var(--blue);
}

.coupon-modal {
  align-items: center;
  background: rgba(32, 33, 36, 0.76);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 18px;
  position: fixed;
  z-index: 20;
}

.coupon-modal.hidden {
  display: none;
}

.coupon-modal-card {
  background: var(--card);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  display: grid;
  gap: 16px;
  max-width: 520px;
  padding: 24px;
  width: 100%;
}

.coupon-modal-card h2 {
  font-size: 2rem;
}

.coupon-modal-card button {
  background: var(--green);
  border: 1px solid var(--green);
  color: white;
}

.coupon-modal-card button[type="button"] {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink);
}

.admin-link {
  color: var(--blue);
  font-weight: 900;
}

.form-message {
  color: var(--red);
  min-height: 1.4em;
}

.admin-form,
.admin-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.admin-row {
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  display: grid;
  gap: 10px;
  padding: 14px;
}

.admin-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.admin-row-actions button,
.admin-form button {
  background: var(--green);
  border: 1px solid var(--green);
  color: white;
}

.admin-row-actions button.danger {
  background: var(--red);
  border-color: var(--red);
}

@media (min-width: 860px) {
  main {
    max-width: 980px;
  }

  .coupon-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .admin-form {
    grid-template-columns: repeat(2, 1fr);
  }

  .admin-form label:nth-last-child(-n + 3),
  .admin-form button {
    grid-column: 1 / -1;
  }
}